b43 error under heavy load

Michael Büsch mb at bu3sch.de
Mon Nov 22 13:53:02 EST 2010


On Mon, 2010-11-22 at 12:41 -0600, Larry Finger wrote: 
> Under heavy load with multiple streams, I'm getting errors from my BCM4312
> (14e4:4315) device as follows:
> 
> b43-phy0 debug: TX-status contains invalid cookie: 0x0D4D
> b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 76
> b43-phy0 debug: Out of order TX status report on DMA ring 1. Expected 74, but got 78
> (and continues).
> 
> Clearly that cookie is garbage as it has a slot number of 0. Any suggestions on
> diagnostic information that I could dump to help debug this?

I think that probably is a firmware or hardware bug. The affected
kernel code was not changed in years, as far as I know.

-- 
Greetings Michael.




More information about the b43-dev mailing list